[coreboot-gerrit] Change in coreboot[master]: mb/google/poppy/variants/nautilus: Use GPP_B20 to determine SKU

[Seunghwan Kim (Code Review)]

Seunghwan Kim has uploaded this change for review. ( https://review.coreboot.org/27220

Change subject: mb/google/poppy/variants/nautilus: Use GPP_B20 to determine SKU
......................................................................

mb/google/poppy/variants/nautilus: Use GPP_B20 to determine SKU

We would use GPP_B20 instead of board id to determine nautilus SKU.

BUG=80052672
BRANCH=poppy
TEST=Verified the new coreboot could determine SKU correctly

Change-Id: I1978b544eef7a184a3da191306ee32d862fa8c36
Signed-off-by: Seunghwan Kim 
---
M src/mainboard/google/poppy/variants/nautilus/mainboard.c
1 file changed, 8 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/20/27220/1

diff --git a/src/mainboard/google/poppy/variants/nautilus/mainboard.c b/src/mainboard/google/poppy/variants/nautilus/mainboard.c
index b4ef1c2..6ee08ef 100644
--- a/src/mainboard/google/poppy/variants/nautilus/mainboard.c
+++ b/src/mainboard/google/poppy/variants/nautilus/mainboard.c
@@ -16,6 +16,7 @@
 #include <boardid.h>
 #include <baseboard/variants.h>
 #include <chip.h>
+#include <gpio.h>
 #include <device/device.h>
 #include <variant/sku.h>

@@ -26,7 +27,13 @@
    if (sku_id != SKU_UNKNOWN)
    	return sku_id;

-	if (board_id() < 9)
+	/*
+	*  Nautilus uses GPP_B20 to determine SKU
+	*  0 - Wifi SKU
+	*  1 - LTE SKU
+	*/
+	gpio_input_pulldown(GPP_B20);
+	if (!gpio_get(GPP_B20))
    	sku_id = SKU_0_NAUTILUS;
    else
    	sku_id = SKU_1_NAUTILUS_LTE;